Sources have told Sky News that there were "no suspicious circumstances" surrounding the singer's death.

A Metropolitan Police statement read: "A post-mortem was conducted at St Pancras Mortuary today (25 July). It did not establish a formal cause of death and we await the results of further toxicology tests.

"The results of these further tests are not expected before 2 to 4 weeks. An Inquest opened at St Pancras Coroner's Court this afternoon (25 July) and was adjourned until 26 October."

Winehouse was found dead at her Camden home on Saturday afternoon. She was 27.